CN203451338U - AABR (anaerobic aerobic biofilm reactor)-combined type MBR (membrane bioreactor) integrated device for treating organic waste water - Google Patents
AABR (anaerobic aerobic biofilm reactor)-combined type MBR (membrane bioreactor) integrated device for treating organic waste water Download PDFInfo
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- CN203451338U CN203451338U CN201320550216.6U CN201320550216U CN203451338U CN 203451338 U CN203451338 U CN 203451338U CN 201320550216 U CN201320550216 U CN 201320550216U CN 203451338 U CN203451338 U CN 203451338U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 239000010815 organic waste Substances 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 83
- 239000000945 filler Substances 0.000 claims abstract description 36
- 238000005273 aeration Methods 0.000 claims description 20
- 239000012510 hollow fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 239000010802 sludge Substances 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 13
- 239000002351 wastewater Substances 0.000 description 12
- 241000276438 Gadus morhua Species 0.000 description 10
- 235000019516 cod Nutrition 0.000 description 10
- 239000010865 sewage Substances 0.000 description 9
- 239000011259 mixed solution Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000006396 nitration reaction Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000696 methanogenic Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 3
- 230000002053 acidogenic Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000813 microbial Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
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- 241000196324 Embryophyta Species 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
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- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an AABR (anaerobic aerobic biofilm reactor)-combined type MBR (membrane bioreactor) integrated device for treating organic waste water. Aiming at realizing standard treatment on high-concentration organic waste water, the AABR-combined type MBR integrated device for treating the organic waste water comprises a combined type MBR reaction tank which is provided with a filler and an MBR membrane assembly, the water outlet end of the combined type MBR reaction tank is communicated with a water production tank; an AABR reaction tank communicated with a water inlet pipe is arranged at the water inlet side of the combined type MBR reaction tank, the AABR reaction tank comprises an anoxic zone and a multi-stage anaerobic tank, and baffle plates vertically arranged are respectively arranged in the anoxic zone and the anaerobic tank; the mud outlet end of the combined type MBR reaction tank is respectively communicated with the anoxic zone and a first-stage anaerobic tank; and the water inlet pipe is respectively communicated with the anoxic zone of the AABR reaction tank and the first-stage anaerobic tank in the multi-stage anaerobic tank. The AABR-combined type MBR integrated device for treating the organic waste water has the advantages that ABR (aerobic baffled reactor) is improved to form AABR, then the AABR and a combined type MBR reaction tank form an inverted A/A/O (anoxic/anoxic/oxic) nitrogen and phosphorus removal process form, medium-high concentration organic matters are degraded, and nitrogen and phosphorus removal is realized.
Description
Technical field
The utility model relates to technical field of sewage, relates in particular to a kind of " AABR-combined type MBR " integrated apparatus of processing organic waste water.
Background technology
The built-in vertical flow deflector of ABR reactor, is separated into reactor several reaction chambers of series connection, and each reaction chamber is a relatively independent upflow sludge blanket (UASB) system.Although can be regarded as the simple series connection of a plurality of UASB at textural ABR, in technique, have differently significantly from single UASB, ABR is closer to pulling flow type technique.In each reaction chamber, can inoculate and culture out and flow to the sewage quality in this reaction chamber, the microflora that envrionment conditions adapts, thereby causing anaerobic reaction to produce acid obtains separated with methanogenic phase mutually along journey, be conducive to give full play to the activity of anaerobic bacteria flora, improve the treatment effect of system and the stability of operation.
With respect to other anaerobic reactors, ABR has structure simplicity of design, does not need expensive water inlet system and Gas-solid-liquid separater, and starts easily, can be in the different condition advantages such as granule sludge different with forming performance in compartment.Therefore, the less investment of ABR method, working cost is lower.
MBR membrane bioreactor is that activated sludge process and membrane separation technique are combined, and replaces the sewage disposal novel method of second pond in traditional conventional activated sludge method with membrane separation technique.Have benefited from the high rejection of film, make to maintain higher sludge concentration in bio-reactor, the organic pollutant content of water outlet is dropped to minimum, can effectively remove ammonia nitrogen, also very effective to the trade effluent of difficult degradation.In addition, also have can obtain high quality water quality treatment, floor space little, be easy to install many advantages such as operation is convenient.
MBR membrane bioreactor can be divided into separated type, integral type (immersion) and combined type according to process form classification.Wherein combined type MBR also belongs to integral type MBR in form, difference is in membrane biological reaction pond, to install filler and membrane module additional simultaneously, thereby formation combined film bioreactor, the increase of filler has changed the proterties of membrane bioreactor part mud on the one hand, improved the removal efficiency to organic pollutant, can play pre-filtered effect to MBR membrane module on the other hand, decelerating membrane pollution degree.
The common feature of ABR reactor and membrane bioreactor (MBR) is that sludge retention time (SRT) is completely separated with hydraulic detention time (HRT), reactor volume is dwindled greatly, processing power improves greatly, is a kind of rising energy-saving bioreaction technology.But due to the feature of ABR reactor and membrane bioreactor (MBR) self, for the effluent quality after the treatment of Organic Wastewater of middle and high concentration, do not reach < < urban sewage reutilization city miscellaneous water water quality > > (GB/T18920-2002) and < < integrated wastewater discharge standard > > (GB 8,978 1996) secondary standard.
Utility model content
In order to realize the processing up to standard of centering high concentrated organic wastewater, the utility model aims to provide a kind of AABR-combined type MBR integrated apparatus of processing organic waste water, this device improves ABR to form anoxic-anaerobic baffled reaction tank (AABR), by anoxic-anaerobic baffled reaction tank (AABR) and combined type MBR reaction tank, formed again the form of inversion A/A/O denitrification dephosphorization technique, in the degraded organic while of middle and high concentration, realize denitrogenation dephosphorizing.
To achieve these goals, the technical scheme that the utility model adopts is:
AABR-combined type MBR integrated apparatus of processing organic waste water, comprises combined type MBR reaction tank; In described combined type MBR reaction tank, be provided with the filler that is positioned at feed-water end and the MBR membrane module that is positioned at filler rear side; The water side of described combined type MBR reaction tank and one is produced pond and is communicated with; Its constructional feature is; The influent side of described combined type MBR reaction tank is provided with the AABR reaction tank being communicated with water inlet pipe, this AABR reaction tank comprises anoxic section and the anoxic section being in series by multistage anaerobic pond being communicated with the water side of anoxic section, and the last step anaerobic pond in multistage anaerobic pond is communicated with described combined type MBR reaction tank; In described anoxic section and anaerobic pond, be equipped with the traverse baffle of vertical layout; The mud outlet end of described combined type MBR reaction tank is communicated with the first step anaerobic pond in described anoxic section and multistage anaerobic pond respectively by mud/mixed-liquor return pump, pipeline and valve; Described water inlet pipe is communicated with the anoxic section of described AABR reaction tank and the first step anaerobic pond in multistage anaerobic pond respectively.
Described inversion A/A/O technique is the sewage treatment process of the branch water inlet that grows up on conventional A/A/O technique basis, by anoxic pond being placed in before anaerobic pond, avoided in traditional A/A/O treatment process system, in backflow mixed liquor and returned sluge, a large amount of nitrate has a liking on anaerobic pond the impact that phosphorus bacterium is put phosphorus process.
Be below the technical scheme of further improvement of the utility model:
For sewage is fully mixed with mixed solution, Aerobic Pond returned sluge/mixed solution in anoxic section, in described anoxic section, be provided with agitator, be preferably arranged on the bottom of anoxic section.
Described filler is elastic filler, and the below of this elastic filler is provided with the elastic filler district aeration tube that is positioned at combined type MBR reaction tank bottom; Described MBR membrane module below is provided with and is positioned at MBR district, combined type MBR reaction tank bottom aeration tube; Aeration tube HeMBR district, described elastic filler district aeration tube is connected with the gas blower being arranged on outside combined type MBR reaction tank.Thus, described MBR membrane module bottom and elastic filler bottom configure respectively independent aerating pipelines, MBR membrane module bottom is carried out aeration, prevent active sludge to be attached in a large number film surface and make water production rate decline too fast, MBR membrane module bottom aerating pipelines is except slowing down MBR film pollutes, and is partly dissolved oxygen for the aerobic reaction in front end elastic filler district provides.Front end elastic filler district arranges separately aerating pipelines, by the start and stop of automatic dissolved oxygen instrument control aerating apparatus processed.
Filter screen and valve are housed on described water inlet pipe, thus, adopt the mode of multipoint water feeding, by automatic regulating valve door and flow sensor, automatically regulate the water yield that enters anoxic section and anaerobism section.On water inlet pipe, install and be not more than 30 object filter screens, prevent in large granular impurity access to plant, submersible agitator is installed in anoxic section bottom.Combined type MBR reaction tank front end is installed elastic filler, and rear end is furnished with MBR membrane module.
According to embodiment of the present utility model, described AABR reaction tank comprises an anoxic section and the two-stage anaerobic pond being communicated with the water side of anoxic section.
Described MBR membrane module is curtain formula hollow fiber film assembly.
On described anoxic section and MBR reaction tank, be provided with blow-down pipe; Described multistage anaerobic is provided with collecting methane pipe on pond.
The method that the AABR-combined type MBR integrated apparatus that utilizes the utility model to process organic waste water is processed organic waste water, comprises the steps:
1) organic waste water enters respectively in the first step anaerobism section in anoxic section and multistage anaerobic section through water inlet pipe, in the anoxic section of dissolved oxygen≤0.5mg/L, processes 4h-8h, in anaerobism section, processes 12h ~ 24h;
2) waste water after anoxic, anaerobic treatment enters in MBR reaction tank, in the MBR reaction tank that is 2mg/L-4mg/L at dissolved oxygen, process after 15h ~ 20h, supernatant liquor drains into and produces pond, mud/mixed-liquor return is to the first step anaerobic pond in anoxic section and multistage anaerobic pond, and sludge age is 8d-20d.
Described MBR membrane module adopts continuous aeration, the mode of water outlet intermittently, by MBR reaction tank to the time of producing pool water-pumping and stopping producing pool water-pumping than being (7min-9min): (1.5min-2.5min); In described MBR reaction tank, filler bottom gas-water ratio is 3-5:1, and MBR membrane module bottom gas-water ratio is 16-20:1.
The AABR reaction tank with two-stage anaerobic section of take below makes further explanation the utility model as example:
The utility model forms successively three compartments of series connection by AABR reaction tank in water (flow) direction by upper and lower traverse baffle is set, first compartment forms anaerobic environment by submersible agitator, second and third compartment is anaerobism section, forms thus anoxic-anaerobic baffled reaction tank (AABR).Adopt the mode of multipoint water feeding, by valve, control the water yield that enters anoxic section and anaerobism section; Then waste water advances along the upper and lower baffling of flow deflector, enters anaerobism section, and microbial population is realized the separated of product acid and methanogenic phase along the different compartments of water (flow) direction, reaches two-phase or multiphase operation in single reactor.Waste water through anaerobic reaction enters combined type MBR reaction tank by the gravity flow of AABR reaction tank, and front end hangs elastic filler, carries out part nitration reaction, and can tackle macrobead suspended substance when removing COD, alleviates follow-up MBR film and pollutes; WeiMBR film reaction district, rear end, mainly carries out nitration reaction and further removes COD.By vacuum primingpump suction, obtain producing water and flow into product pond.Combined type MBR reaction tank is furnished with mud/mixed-liquor return system, can distribute the mud/mixing liquid measure that enters oxygen-starved area and anaerobic zone, thereby reaches the object of denitrogenation dephosphorizing.
The utility model forms successively three compartments of series connection by reaction tank in water (flow) direction by upper and lower traverse baffle, first compartment forms anaerobic environment by submersible agitator, second and third compartment is anaerobism section, forms thus anoxic-anaerobic baffled reaction tank (AABR).Anoxic section top arranges blow-down pipe, and anaerobism section top is firedamp drainage and collection tube.
The utility model consists of the form of inversion A/A/O denitrification dephosphorization technique anoxic-anaerobic baffled reaction tank (AABR) and combined type MBR reaction tank, in the degraded organic while of middle and high concentration, realized denitrogenation dephosphorizing.
The utility model is merged into mud/mixed-liquor return pipe according to the feature of inversion A/A/O technique by mud and mixed-liquor return, mud/the mixed solution of mud/mixed-liquor return pump discharge can enter anaerobic zone by the anaerobic zone arm that refluxes, also can enter oxygen-starved area by the oxygen-starved area arm that refluxes, flow sensor and automatic regulating valve door are housed on every arm, can automatically distribute the flow that enters anaerobic zone and oxygen-starved area mud/mixed solution.
The water inlet of each step of the utility model, filtration, backwash, aeration, sludge reflux are all two kinds of control mode operations of automatic/hand.Emptying, spoil disposal is manually to control.
The utility model also has except possessing all advantages of conventional ABR and combined type MBR combination process:
(1) by improving, by anoxic-anaerobic baffled reaction tank (AABR) and combined type MBR reaction tank, formed the form of inversion A/A/O denitrification dephosphorization technique, in the degraded organic while of middle and high concentration, reach the object of denitrogenation dephosphorizing;
(2) mud return line and mixed-liquor return pipe are merged into a reflux line, bottom, membrane biological reaction district configures separately aerating pipelines with elastic filler bottom, and optimizes aeration rate by the mode of variable frequency adjustment rotation speed of fan, thereby has reduced energy consumption.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts the mode of multipoint water feeding, by valve, automatically control the water yield that enters anoxic section and anaerobism section.Anoxic section is furnished with submersible agitator, and sewage is fully mixed with mixed solution, Aerobic Pond returned sluge/mixed solution in anoxic section; Then waste water advances along the upper and lower baffling of flow deflector, enters anaerobism section, and microbial population is realized the separated of product acid and methanogenic phase along the different compartments of water (flow) direction, reaches two-phase or multiphase operation in single reactor.Waste water through anaerobic reaction enters combined type MBR reaction tank by the gravity flow of AABR reaction tank, and front end hangs elastic filler, carries out part nitration reaction, and can tackle macrobead suspended substance when removing COD, alleviates follow-up MBR film and pollutes; WeiMBR film reaction district, rear end, mainly carries out nitration reaction and further removes COD.By vacuum primingpump suction, obtain producing water and flow into product pond.MBR membrane module bottom is carried out aeration, prevents that active sludge is attached on film surface and water production rate is declined too fast in a large number, and is partly dissolved oxygen for the aerobic reaction in front end elastic filler district provides.Front end elastic filler district arranges separately aerating pipelines, controls the start and stop of aerating apparatus by automatic dissolved oxygen instrument and valve.Combined type MBR reaction tank is furnished with mud/mixed-liquor return system, can distribute the mud/mixing liquid measure that enters oxygen-starved area and anaerobic zone, thereby reaches the object of denitrogenation dephosphorizing.
The utility model is particularly useful for processing the organic waste water of middle and high concentration.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of an embodiment of the utility model.
In the drawings
1-water inlet pipe, 2-filter screen, 3-anoxic section water inlet pipe, 4-anaerobism section water inlet pipe, 5-anoxic section, 6-submersible agitator, 7, 8-anaerobism, 9-combined type MBR reaction tank, 10-elastic filler, 11-MBR membrane module, 12-water producing pipe, 13-produces water pump, 14-backwashing pump, 15-backwash pipe, 16-mud/mixed-liquor return pump, 17-shore pipe, 18-anaerobic zone mud/mixed-liquor return pipe, 19-oxygen-starved area mud/mixed-liquor return pipe, 20-gas blower, 21-elastic filler district aeration tube, 22-MBR district aeration tube, 23-produces pond, 24-oxygen-starved area blow-down pipe, 25-anaerobic zone collecting methane pipe, 26-aerobic zone blow-down pipe.
Embodiment
A kind of AABR-combined type MBR integrated apparatus of processing middle and high concentration organic waste water, as shown in Figure 1, adopt the mode of multipoint water feeding, by the automatic valve on anoxic section water inlet pipe 3 and anaerobism section water inlet pipe 4 and flow sensor, control the water yield that enters anoxic section 5 and anaerobism section 7.Anoxic section is furnished with submersible agitator 6, and sewage is fully mixed with mixed solution, Aerobic Pond returned sluge/mixed solution in anoxic section; Then waste water advances along the upper and lower baffling of flow deflector, gravity flow enters anaerobism section 7,8, combined type MBR reaction tank 9 successively, and combined type MBR reaction tank 9 front ends hang elastic filler 10, carry out part nitration reaction when removing COD, and can tackle macrobead suspended substance, alleviate follow-up MBR film and pollute; Rear end, for being furnished with MBR membrane module 11, mainly being carried out nitration reaction and is further removed COD.By vacuum primingpump 13 suctions, obtain producing water and flow into product pond 23.Aeration 22 is carried out in MBR membrane module 11 bottoms, prevents that active sludge is attached on film surface and water production rate is declined too fast in a large number, and is partly dissolved oxygen for the aerobic reaction in front end elastic filler district provides.Front end elastic filler district arranges separately aerating pipelines 21, by the start and stop of automatic dissolved oxygen instrument control aerating apparatus processed.Combined type MBR reaction tank 9 is furnished with mud/mixed-liquor return system, can automatically distribute the mud/mixing liquid measure that enters oxygen-starved area 5 and anaerobic zone 7, thereby reaches the object of denitrogenation dephosphorizing.
The sludge concentration that combined type MBR reaction tank 9 is higher not only wins the nitrated needed reaction volume of Aerobic Pond from fixing biochemical reaction pool volume, and the anoxic microenvironment of active sludge flco inside makes nitrification and denitrification process just synchronously carry out in the period at aeration, thereby created condition for the nitric efficiency of further raising system.
Example one, the processing water yield: certain Wastewater in Biologic Pharmacy 200m
3/ d.
Influent quality: COD:2000 ~ 2700mg/L, BOD:500 ~ 700mg/L, NH
3-N:130 ~ 160mg/L, TP:4 ~ 6mg/L, SS :≤200mg/L.
Design variable: AABR reaction tank divides three compartments, the first compartment is anoxic section, second and third compartment is anaerobism section.Each compartment volume is identical, upper and lowerly to stream chamber width ratio, is decided to be 1:4, and traverse baffle knuckle is 45 °.Anoxic section residence time 6h, anaerobism section residence time 12h, combined type MBR reaction tank residence time 16h.
Lectotype selection: submersible agitating acc power 0.3KW, MBR membrane module adopts curtain formula hollow fiber film assembly, model FP-A IV, elastic filler specification: 200 * 1500, blower power: 3kw, mud/mixed-liquor return pump horsepower 2.2kw, produce pump power 3kw, backwashing pump power 1.5kw.
Operational conditions: take out and stop than 8min/2min, backwash cycle 1 time/10min, backwash time 30 ~ 60s.Anoxic section dissolved oxygen≤0.5mg/L, elastic filler bottom gas-water ratio 4:1, dissolved oxygen 2 ~ 4mg/L, MBR membrane module bottom gas-water ratio 18:1, mud/return current ratio of the mixed liquid 200 ~ 300%, sludge age 8 ~ 20d.
Effluent quality: COD≤40mg/L, BOD≤20mg/L, NH3-N≤20mg/L, TP≤1mg/L, SS≤10mg/L.Effluent quality reaches < < urban sewage reutilization city miscellaneous water water quality > > (GB/T18920-2002) standard.
Power consumption: the power consumption of processing one ton of water is about 0.97kw.h/m
3.
Example two, the processing water yield: certain beet sugar manufacture waste water 1000m
3/ d.
Influent quality: COD:5000 ~ 6000mg/L, BOD:2000 ~ 2800mg/L, NH
3-N :≤50mg/L, SO
4 2-: 350 ~ 600mg/L, SS:1000 ~ 4000mg/L.
Design variable: AABR reaction tank divides three compartments, the first compartment is anoxic section, second and third compartment is anaerobism section.Each compartment volume is identical, upper and lowerly to stream chamber width ratio, is decided to be 1:4, and traverse baffle knuckle is 45 °.Anoxic section residence time 6h, anaerobism section residence time 24h, combined type MBR reaction tank residence time 20h.
Lectotype selection: submersible agitating acc power 1.5KW, MBR membrane module adopts curtain formula hollow fiber film assembly, model FP-A IV, elastic filler specification: 200 * 1500, blower power: 15kw, mud/mixed-liquor return pump horsepower 4kw, produce pump power 12kw, backwashing pump power 5.5kw.
Operational conditions: take out and stop than 8min/2min, backwash cycle 1 time/10min, backwash time 30 ~ 60s.Anoxic section dissolved oxygen≤0.5mg/L, elastic filler bottom gas-water ratio 4:1, dissolved oxygen 2 ~ 4mg/L, MBR membrane module bottom gas-water ratio 18:1, mud/return current ratio of the mixed liquid 100 ~ 200%, sludge age 8 ~ 20d.
Effluent quality: COD≤200mg/L, BOD≤100mg/L, NH-N≤20mg/L, SO
4 2-≤ 50mg/L, SS≤50mg/L.Effluent quality reaches < < integrated wastewater discharge standard > > (GB 8,978 1996) secondary standard.
Power consumption: the power consumption of processing one ton of water is about 0.75kw.h/m
3.
Automatically control explanation: equipment running process comprise into water, filtration, filtration stop, backwash, standby.In operational process, except emptying, spoil disposal and MBR membrane module system, flooding to clean needs outside manual intervention, and other can move automatically, also can manual operation operation.Operation interface adopts touch-screen.
MBR membrane filtration adopts continuous aeration, and intermittently the mode of water outlet, takes out and stop than 8min/2min, and flow sensor and autocontrol valve are installed in water producing pipe road, realizes constant flow and filters.While stopping water outlet, carry out automatic clear water backwash, backwash time 30 ~ 60s.
Guarantee water producing pipe pressure <50kpa, otherwise water producing pipe automatic valve is closed, whether artificial decision carries out online medicament backwash.
Gas blower is variable frequency control, can suitably reduce or increase aeration rate according to the variation of dissolved oxygen, but aeration rate can not be 0.When stopping, blower fan can cause closing of water producing pipe automatic valve.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Claims (7)
1. AABR-combined type MBR integrated apparatus of processing organic waste water, comprises combined type MBR reaction tank (9); In described combined type MBR reaction tank (9), be provided with the MBR membrane module (11) that is positioned at the filler (10) of feed-water end and is positioned at filler (10) rear side; The water side of described combined type MBR reaction tank (9) and one is produced pond (23) and is communicated with; It is characterized in that; The influent side of described combined type MBR reaction tank (9) is provided with the AABR reaction tank being communicated with water inlet pipe (1), this AABR reaction tank comprise anoxic section (5) and be communicated with the water side of anoxic section (5) by multistage anaerobic pond (7,8) the anoxic section being in series, last step anaerobic pond (8) in multistage anaerobic pond (7,8) is communicated with described combined type MBR reaction tank (9); In described anoxic section (5) and anaerobic pond (7,8), be equipped with the traverse baffle of vertical layout; The mud outlet end of described combined type MBR reaction tank (9) by mud/mixed-liquor return pump (16), pipeline and valve respectively with described anoxic section (5) and multistage anaerobic pond (7,8) in first step anaerobic pond (7) connection; Described water inlet pipe (1) is communicated with anoxic section (5) and the first step anaerobic pond (7) in multistage anaerobic pond (7,8) of described AABR reaction tank respectively.
2. AABR-combined type MBR integrated apparatus of processing organic waste water according to claim 1, is characterized in that, is provided with agitator (6) in described anoxic section (5).
3. AABR-combined type MBR integrated apparatus of processing organic waste water according to claim 1, it is characterized in that, described filler (10) is elastic filler, and the below of this elastic filler is provided with the elastic filler district aeration tube (21) that is positioned at combined type MBR reaction tank (9) bottom; Described MBR membrane module (11) below is provided with and is positioned at combined type MBR reaction tank (9) bottom MBR district aeration tube (22); Described elastic filler district aeration tube (21) HeMBR district aeration tube (22) gas blower (20) outer with being arranged on combined type MBR reaction tank (9) is connected.
4. AABR-combined type MBR integrated apparatus of processing organic waste water according to claim 1, is characterized in that, filter screen (2) and valve are housed on described water inlet pipe (1).
5. according to AABR-combined type MBR integrated apparatus of the processing organic waste water one of claim 1 ~ 4 Suo Shu, it is characterized in that, described AABR reaction tank comprises an anoxic section (5) and the two-stage anaerobic pond (7,8) being communicated with the water side of anoxic section (5).
6. according to AABR-combined type MBR integrated apparatus of the processing organic waste water one of claim 1 ~ 4 Suo Shu, it is characterized in that, described MBR membrane module (11) is curtain formula hollow fiber film assembly.
7. according to AABR-combined type MBR integrated apparatus of the processing organic waste water one of claim 1 ~ 4 Suo Shu, it is characterized in that, on described anoxic section (5) and MBR reaction tank (9), be provided with blow-down pipe; On described multistage anaerobic pond (7,8), be provided with collecting methane pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550216.6U CN203451338U (en) | 2013-09-05 | 2013-09-05 | AABR (anaerobic aerobic biofilm reactor)-combined type MBR (membrane bioreactor) integrated device for treating organic waste water |
Applications Claiming Priority (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435232A (en) * | 2013-09-05 | 2013-12-11 | 中国水电顾问集团中南勘测设计研究院 | AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater |
| CN104003588A (en) * | 2014-06-19 | 2014-08-27 | 江西省恩皓环保有限公司 | MBR film compound system for conducting processing by enabling organisms to be attached to reaction water |
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2013
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435232A (en) * | 2013-09-05 | 2013-12-11 | 中国水电顾问集团中南勘测设计研究院 | AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater |
| CN103435232B (en) * | 2013-09-05 | 2015-04-29 | 中国电建集团中南勘测设计研究院有限公司 | AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater |
| CN104003588A (en) * | 2014-06-19 | 2014-08-27 | 江西省恩皓环保有限公司 | MBR film compound system for conducting processing by enabling organisms to be attached to reaction water |
| CN104003588B (en) * | 2014-06-19 | 2015-07-08 | 江西省恩皓环保有限公司 | MBR film compound system for conducting processing by enabling organisms to be attached to reaction water |
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